Which of the following is a small hormone that can stimulate or inhibit many normal cell functions?

a) Enzyme
b) Kinins
c) Cytokine
d) MHC
e) Leukocyte


c

Anatomy & Physiology

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The relative refractory period occurs after the action potential is complete because of the

a. lingering inactivation of the voltage-gated Na+ channels. b. slowness of the voltage-gated channels. c. the sodium-potassium pump. d. both (a) and (b). e. both (b) and (c).

Anatomy & Physiology

Extracellular calcium plays a role in contraction inA) skeletal muscle cells.B) smooth muscle cells.C) cardiac muscle cells.D) None of these types of cells.

What will be an ideal response?

Anatomy & Physiology

Which of the following are functions of articular cartilage?

A. minimize friction and wear at a joint B. protect against joint dislocation C. both A and B D. neither A nor B

Anatomy & Physiology

Steroids, peptides, and nucleic acids are the three classes of hormones.

Answer the following statement true (T) or false (F)

Anatomy & Physiology